Volcanoes Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

An opening or vent in the earth’s crust through which lava or molten rock is ejected

A

Volcano

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The phenomenon of eruption of molten rock onto the surface of the Earth or a solid-surface planet or moon, where lava, pyroclastic and volcanic gases erupt through a break in the surface called a vent.

A

Volcanism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Volcanic formation that occurs intraplate

A

Anomalous Volcanism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Apex; highest point of a volcano

A

Summit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Sides of a volcano

A

Flank

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Basin-like depression over a vent at the summit

A

Crater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Formed by the collapse of a volcano into itself making a large, special crater

A

Caldera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Reservoir of molten rocks that can be found beneath the crust

A

Magma Chamber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Molten rocks beneath Earth’s surface

A

Magma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Main passageway of magma

A

Pipe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Opening to the Earth’s surface; where volcano emits magma

A

Vents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Solidified volcanic materials originating from secondary openings

A

Parasitic Cones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How are volcanoes classified?

A

Volcanic Activity
Volcanic Features
Volcanic Location

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Erupted within 10,000 years

A

Active Volcano

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Not erupted for more than 10,000 years but magma is slowly filling up the chamber

A

Dormant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

No recorded eruption

A

Extinct

17
Q

Large crater

Up to 1,200 ft

A

Cinder Cone

18
Q

Wide & broad

Diameter of 100-500 km

A

Shield Volcano

19
Q

Tall, steep, symmetrical

A

Strato/Composite volcano

20
Q

Dome-shaped

A

Lava dome

21
Q

Volcanic locations

A

Continental
Subglacial
Submarine

22
Q

Basaltic & low-viscosity

A

Effusive eruption

23
Q

Silicic & high-viscosity

A

Explosive eruption

24
Q

Streams of molten rock that pour/ooze from an erupting vent

A

Lava Flow

25
Q

Fluidized rock fragments that move rapidly because of gravity

A

Pyroclastic Flow

26
Q

Pulverised rocks & glass

A

Tephra fall